internal OciHandle Allocate(OciHandleType type)
{
int status = 0;
IntPtr newHandle = IntPtr.Zero;
if (type < OciHandleType.LobLocator)
{
status = OciCalls.OCIHandleAlloc(this,
out newHandle,
type,
0,
IntPtr.Zero);
}
else
{
status = OciCalls.OCIDescriptorAlloc(this,
out newHandle,
type,
0,
IntPtr.Zero);
}
if (status != 0 && status != 1)
{
throw new Exception(String.Format("Could not allocate new OCI Handle of type {0}", type));
}
switch (type)
{
case OciHandleType.Service:
return(new OciServiceHandle(this, newHandle));
case OciHandleType.Error:
return(new OciErrorHandle(this, newHandle));
case OciHandleType.Server:
return(new OciServerHandle(this, newHandle));
case OciHandleType.Session:
return(new OciSessionHandle(this, newHandle));
case OciHandleType.Statement:
return(new OciStatementHandle(this, newHandle));
case OciHandleType.Transaction:
return(new OciTransactionHandle(this, newHandle));
case OciHandleType.LobLocator:
return(new OciLobLocator(this, newHandle));
case OciHandleType.RowId:
return(new OciRowIdDescriptor(this, newHandle));
case OciHandleType.TimeStamp:
return(new OciDateTimeDescriptor(this, newHandle));
case OciHandleType.IntervalDayToSecond:
case OciHandleType.IntervalYearToMonth:
return(new OciIntervalDescriptor(this, type, newHandle));
}
return(null);
}